accommodate the settlement of the Senior Notes in book-entry forum through facilities of a depositary or otherwise; take any action necessary or helpful to prevent the Issuer or the Trustee from becoming subject to any withholding or other taxes or assessments or to reduce the risk that the Issuer will be engaged in a United States trade or business or otherwise subject to United States federal income tax on a net income basis; prevent the Issuer from becoming an investment company or being required to register as an investment company under the Investment Company Act enter into or accommodate the execution of any contract relating to a Synthetic Security or a Structured Finance Obligation (including posting collateral under a Synthetic Security); provide for additional or modified reports to Holders of Notes. provided that any such modified report does not reduce in any material respect the content of reports required to be provided to the Holders of Notes under the Indenture; or (xv) amend, modify or change the Grid Test (or any related definitions); provided that in the case of this clause (xv) the Holders of at least 66 2/3% of the Class A-I Notes (if then Outstanding) consent to such amendment. modification or change; provided that, in each cast, the Collateral Manager shall have consented to such supplemental indenture and the Trustee shall have provided prior written notice of any such proposed supplemental indenture to each Rating Agency and received Rating Confirmation for that supplemental indenture; provided, further, that the Trustee may. with the consent of the Holders of 100% of the Aggregate Principal Amount of each Class of Senior Notes affected thereby. enter into any such supplemental indenture notwithstanding any qualification, downgrade or withdrawal of the then-current ratings of any such Class of Senior Notes. In addition, in the event any Rating Agency modifies the definitions or calculations relating to (i) the method